<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_1_1422984351295_4999" dir="ltr"><span id="yui_3_16_0_1_1422984351295_5000">Hi David,</span></div><div id="yui_3_16_0_1_1422984351295_4999" dir="ltr"><span id="yui_3_16_0_1_1422984351295_5001">firstly here's a link to an article on electric vehicle battery prices.</span></div><div id="yui_3_16_0_1_1422984351295_4999" dir="ltr"><a href="http://evsroll.com/Electric_Car_Battery_Cost.html" id="yui_3_16_0_1_1422984351295_5010" style="background-color: rgb(255, 255, 255);">http://evsroll.com/Electric_Car_Battery_Cost.html</a><br></div><div id="yui_3_16_0_1_1422984351295_4999" dir="ltr">Manual Thundersky Batteries</div><div id="yui_3_16_0_1_1422984351295_4999" dir="ltr"><a href="http://www.thunderstruck-ev.com/Manuals/Thundersky%20Product%20Manual.pdf" id="yui_3_16_0_1_1422984351295_5661">http://www.thunderstruck-ev.com/Manuals/Thundersky%20Product%20Manual.pdf</a><br></div><div id="yui_3_16_0_1_1422984351295_4999" dir="ltr">I am looking at 48V for my sub, but that won't be confirmed</div><div id="yui_3_16_0_1_1422984351295_4999" dir="ltr">till I have made a successful thruster. I won't need my batteries</div><div id="yui_3_16_0_1_1422984351295_4999" dir="ltr">for a couple of years & are hanging out for the new technology</div><div id="yui_3_16_0_1_1422984351295_4999" dir="ltr">lithium sulphur batteries.</div><div id="yui_3_16_0_1_1422984351295_4999" dir="ltr">Hugh Fulton has a bit of experience with lithium iron batteries</div><div id="yui_3_16_0_1_1422984351295_4999" dir="ltr">if he should chime in.</div><div id="yui_3_16_0_1_1422984351295_4999" dir="ltr">Most of the Winston (thundersky) batteries I have seen have a </div><div id="yui_3_16_0_1_1422984351295_4999" dir="ltr">maximum discharge of 100 amps and have a continuous draw </div><div id="yui_3_16_0_1_1422984351295_4999" dir="ltr">of 50 amps. I have seen traction lifepo4 batteries advertised by</div><div id="yui_3_16_0_1_1422984351295_4999" dir="ltr">other companies. They may have higher max discharge rates.</div><div id="yui_3_16_0_1_1422984351295_4999" dir="ltr">The battery amp hour rating is based on discharging over 20 hrs<br></div><div id="yui_3_16_0_1_1422984351295_4999" dir="ltr">& you have a maximum depth of discharge of 80%, so at a guess</div><div id="yui_3_16_0_1_1422984351295_4999" dir="ltr">around 500 amp/hr.</div><div id="yui_3_16_0_1_1422984351295_4999" dir="ltr">Alan</div><div id="yui_3_16_0_1_1422984351295_4999" dir="ltr"><br></div><div id="yui_3_16_0_1_1422984351295_4999" dir="ltr"><br></div><div id="yui_3_16_0_1_1422984351295_4999"> </div><br> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_1_1422984351295_5009"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_1_1422984351295_5008"> <div dir="ltr" id="yui_3_16_0_1_1422984351295_5007"> <hr size="1" id="yui_3_16_0_1_1422984351295_5258"> <font size="2" face="Arial" id="yui_3_16_0_1_1422984351295_5006"> <b><span style="font-weight:bold;">From:</span></b> Seaquestor via Personal_Submersibles <personal_submersibles@psubs.org><br> <b><span style="font-weight: bold;">To:</span></b> Personal Submersibles General Discussion <personal_submersibles@psubs.org> <br> <b><span style="font-weight: bold;">Sent:</span></b> Wednesday, February 4, 2015 3:49 AM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [PSUBS-MAILIST] Lithium batteries<br> </font> </div> <div class="y_msg_container" id="yui_3_16_0_1_1422984351295_5172"><br><div id="yiv3217820727"><div id="yui_3_16_0_1_1422984351295_5174"><div id="yui_3_16_0_1_1422984351295_5173">Hi Alan, what voltage value are you us r in to build your array? I think I would would need 10 -12 batteries to achieve the 36 volts. Potential max thruster amp draw, 190a - 240a. , average draw 40a. Needed run time 8 hrs. What battery would you use?</div><div id="yui_3_16_0_1_1422984351295_5189"><br></div><div id="yui_3_16_0_1_1422984351295_5175">David</div><div id="yui_3_16_0_1_1422984351295_5176"><br></div><div id="yui_3_16_0_1_1422984351295_5177"><br></div><div id="yui_3_16_0_1_1422984351295_5178"><br></div><div id="yui_3_16_0_1_1422984351295_5418"><div style="font-size:9px;color:#575757;" id="yui_3_16_0_1_1422984351295_5417">Sent from my Verizon Wireless 4G LTE smartphone</div></div><div></div><br><br>-------- Original message --------<br>From: Alan James via Personal_Submersibles <personal_submersibles@psubs.org> <br>Date: 02/03/2015 1:29 AM (GMT-08:00) <br>To: Personal Submersibles General Discussion <personal_submersibles@psubs.org> <br>Subject: Re: [PSUBS-MAILIST] Lithium batteries <br><br><div style="color:#000;background-color:#fff;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"><div dir="ltr" id="yiv3217820727yui_3_16_0_1_1422955218118_3111"><span>Tired, forgot to post the link.</span></div><div dir="ltr" id="yiv3217820727yui_3_16_0_1_1422955218118_2631"><span id="yiv3217820727yui_3_16_0_1_1422955218118_2630"><a rel="nofollow" target="_blank" href="http://alliancerenewableenergy.com/Thunder-Sky-LiFeYPO4-Batteries_c3.htm" id="yiv3217820727yui_3_16_0_1_1422955218118_2629">http://alliancerenewableenergy.com/Thunder-Sky-LiFeYPO4-Batteries_c3.htm</a><br></span></div><div id="yiv3217820727yui_3_16_0_1_1422955218118_2631" dir="ltr"> Scott, I presume you are talking about keeping the weight down "under the water,"</div><div id="yiv3217820727yui_3_16_0_1_1422955218118_2631" dir="ltr">in which case if you went with battery pods instead of compensating, there wouldn't </div><div id="yiv3217820727yui_3_16_0_1_1422955218118_2631" dir="ltr">be much difference, as you are putting square batteries in to round</div><div id="yiv3217820727yui_3_16_0_1_1422955218118_2631" dir="ltr">battery pods & there would be a lot of air space that would counter the weight of the pod.</div><div id="yiv3217820727yui_3_16_0_1_1422955218118_2631" dir="ltr">Alan</div><div id="yiv3217820727yui_3_16_0_1_1422955218118_2631" dir="ltr"><br></div><br> <div style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;" id="yiv3217820727yui_3_16_0_1_1422955218118_2628"> <div style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;" id="yiv3217820727yui_3_16_0_1_1422955218118_2627"> <div dir="ltr" id="yiv3217820727yui_3_16_0_1_1422955218118_2626"> <hr size="1" id="yiv3217820727yui_3_16_0_1_1422955218118_2633"> <font size="2" face="Arial" id="yiv3217820727yui_3_16_0_1_1422955218118_2625"> <b><span style="font-weight:bold;">From:</span></b> Alan James via Personal_Submersibles <personal_submersibles@psubs.org><br> <b><span style="font-weight:bold;">To:</span></b> Personal Submersibles General Discussion <personal_submersibles@psubs.org> <br> <b><span style="font-weight:bold;">Sent:</span></b> Tuesday, February 3, 2015 10:15 PM<br> <b><span style="font-weight:bold;">Subject:</span></b> Re: [PSUBS-MAILIST] Lithium batteries<br> </font> </div> <div class="yiv3217820727y_msg_container" id="yiv3217820727yui_3_16_0_1_1422955218118_2872"><br><div id="yiv3217820727"><div id="yiv3217820727yui_3_16_0_1_1422955218118_2874"><div style="color:#000;background-color:#fff;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;" id="yiv3217820727yui_3_16_0_1_1422955218118_2873"><div dir="ltr" id="yiv3217820727yui_3_16_0_1_1422953401867_2798"><span id="yiv3217820727yui_3_16_0_1_1422953401867_2797">WOW that's expensive.</span></div><div dir="ltr" id="yiv3217820727yui_3_16_0_1_1422953401867_2799"><span id="yiv3217820727yui_3_16_0_1_1422955218118_3112">These Thundersky batteries are a good option.</span></div><div dir="ltr" id="yiv3217820727yui_3_16_0_1_1422955218118_2876"><span id="yiv3217820727yui_3_16_0_1_1422955218118_2875">I remember Herve Jaubert saying he was using them in his ambient's,</span></div><div dir="ltr" id="yiv3217820727yui_3_16_0_1_1422953401867_2801"><span id="yiv3217820727yui_3_16_0_1_1422953401867_2800">but in a battery pod, not compensated.</span></div><div dir="ltr" id="yiv3217820727yui_3_16_0_1_1422953401867_2802"><span>Alan</span></div><br clear="none"> <div id="yiv3217820727yui_3_16_0_1_1422953401867_2806" style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div id="yiv3217820727yui_3_16_0_1_1422953401867_2805" style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div class="yiv3217820727qtdSeparateBR"><br><br></div><div class="yiv3217820727yqt5369613621" id="yiv3217820727yqt49003"><div dir="ltr" id="yiv3217820727yui_3_16_0_1_1422953401867_2804"> <hr size="1"> <font id="yiv3217820727yui_3_16_0_1_1422953401867_2803" size="2" face="Arial"> <b><span style="font-weight:bold;">From:</span></b> David Colombo via Personal_Submersibles <personal_submersibles@psubs.org><br clear="none"> <b><span style="font-weight:bold;">To:</span></b> Personal Submersibles General Discussion <personal_submersibles@psubs.org> <br clear="none"> <b><span style="font-weight:bold;">Sent:</span></b> Tuesday, February 3, 2015 9:34 PM<br clear="none"> <b><span style="font-weight:bold;">Subject:</span></b> Re: [PSUBS-MAILIST] Lithium batteries<br clear="none"> </font> </div> <div class="yiv3217820727y_msg_container" id="yiv3217820727yui_3_16_0_1_1422953401867_2807"><br clear="none"><div id="yiv3217820727"><div id="yiv3217820727yui_3_16_0_1_1422953401867_2810"><div dir="ltr" id="yiv3217820727yui_3_16_0_1_1422953401867_2809"><div id="yiv3217820727yui_3_16_0_1_1422953401867_2808">Hi Scott,<br clear="none"></div>Two years ago the cost was $7000 for a single battery when I attended the UI convention. They might be cheaper this year. Want me to pick you up a couple, I know they are supposed to be at the the Ui event this year as well. Wy and I will be attending. I will need a bigger suit case to bring them home however.<br clear="none"><br clear="none"> <br clear="none"></div><div class="yiv3217820727gmail_extra" id="yiv3217820727yui_3_16_0_1_1422953401867_2811"><br clear="all"><div id="yiv3217820727yui_3_16_0_1_1422953401867_2815"><div class="yiv3217820727gmail_signature" id="yiv3217820727yui_3_16_0_1_1422953401867_2814"><div dir="ltr" id="yiv3217820727yui_3_16_0_1_1422953401867_2813"><div id="yiv3217820727yui_3_16_0_1_1422953401867_2812">Best Regards,<br clear="none">David Colombo<br clear="none"><img id="yiv3217820727yui_3_16_0_1_1422953401867_2816" height="110" width="200" data-id="d7b0e57d-050c-b24b-1f9d-b4836afc11f1"><br clear="none">804 College Ave<br clear="none">Santa Rosa, CA. 95404<br clear="none">(707) 536-1424<br clear="none"><a rel="nofollow" shape="rect" target="_blank" href="http://www.seaquestor.com/">www.SeaQuestor.com</a><br clear="none"><br clear="none"></div></div></div></div>
<br clear="none"><div class="yiv3217820727gmail_quote" id="yiv3217820727yui_3_16_0_1_1422955218118_2881">On Mon, Feb 2, 2015 at 6:04 PM, <a rel="nofollow" shape="rect" ymailto="mailto:swaters@waters-ks.com" target="_blank" href="mailto:swaters@waters-ks.com">swaters@waters-ks.com</a> via Personal_Submersibles <span dir="ltr"><<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org" target="_blank" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>></span> wrote:<br clear="none"><blockquote class="yiv3217820727gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;" id="yiv3217820727yui_3_16_0_1_1422955218118_2880"><div class="yiv3217820727qtdSeparateBR"><br clear="none"><br clear="none"></div><div class="yiv3217820727yqt6798850543" id="yiv3217820727yqt47709"><div id="yiv3217820727yui_3_16_0_1_1422955218118_2879"><div>Thanks for the info Alan!</div><div>-Scott Waters</div><span class="yiv3217820727"></span><div><br clear="none"></div><div><br clear="none"></div><div id="yiv3217820727yui_3_16_0_1_1422955218118_2878"><div style="font-size:9px;color:#575757;" id="yiv3217820727yui_3_16_0_1_1422955218118_2877">Sent from my U.S. Cellular® Smartphone</div></div><div></div><br clear="none"><br clear="none">-------- Original message --------<br clear="none">From: Alan James via Personal_Submersibles <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org" target="_blank" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> <br clear="none"><div id="yiv3217820727yui_3_16_0_1_1422955218118_2884"><div class="yiv3217820727h5" id="yiv3217820727yui_3_16_0_1_1422955218118_2883">Date:02/02/2015 12:32 PM (GMT-06:00) <br clear="none">To: Personal Submersibles General Discussion <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org" target="_blank" href="mailto:personal_submersibles@psubs.org" id="yiv3217820727yui_3_16_0_1_1422955218118_2882">personal_submersibles@psubs.org</a>> <br clear="none">Cc: <br clear="none">Subject: Re: [PSUBS-MAILIST] Lithium batteries <br clear="none"><br clear="none"><div style="color:#000;background-color:#fff;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;" id="yiv3217820727yui_3_16_0_1_1422955218118_2885"><div dir="ltr"><span>Iam not sure about that battery Scott,</span></div><div dir="ltr"><span>but these are pressure resistant & have a compensation module.</span></div><div dir="ltr"><a rel="nofollow" shape="rect" target="_blank" href="http://www.swe.com/seasafe-subsea-modules/" style="background-color:rgb(255,255,255);">SWE Seasafe subsea Battery Modules SWE | Southwest Electronic Energy Group</a><br clear="none"></div><div style="width:450px;font-family:'Georgia', 'Times', 'Times New Roman', 'serif';margin-top:5px;margin-bottom:5px;background-color:#ffffff;"><table style="width:450px;height:170px;display:block;" border="0" cellpadding="0" cellspacing="0"><tbody><tr><td colspan="8" rowspan="1" style="height:1px;background-color:#e5e5e5;font-size:1px;border-collapse:collapse;"><div style="min-height:1px;background-color:#e5e5e5;font-size:1px;line-height:0px;"> </div></td></tr><tr><td colspan="1" rowspan="5" style="width:1px;background-color:#e5e5e5;font-size:1pt;border-collapse:collapse;"><div style="width:1px;background-color:#e5e5e5;font-size:1pt;"> </div></td><td colspan="1" rowspan="5" style="vertical-align:middle;width:168px;height:168px;background-color:#000000;border-collapse:collapse;"><div align="center" style="width:168px;"><a rel="nofollow" shape="rect" target="_blank" href="http://www.swe.com/seasafe-subsea-modules/" style="text-decoration:none!important;color:#000000!important;"><img alt="image" style="display:block;margin:auto;" height="34" width="168" data-id="b8fdafa5-c9ca-211e-a668-f9cc4b6f086b"></a></div></td><td colspan="1" rowspan="5" style="width:1px;background-color:#e5e5e5;font-size:0pt;border-collapse:collapse;"><div style="width:1px;background-color:#e5e5e5;font-size:1pt;"> </div></td><td colspan="1" rowspan="5" style="width:14px;background-color:#ffffff;font-size:0pt;border-collapse:collapse;"><div style="width:14px;background-color:#ffffff;font-size:14pt;"> </div></td><td colspan="2" rowspan="1" style="height:6px;background-color:#ffffff;font-size:0pt;border-collapse:collapse;"><div style="min-height:6px;background-color:#ffffff;font-size:6pt;"> </div></td><td colspan="1" rowspan="5" style="width:20px;background-color:#ffffff;font-size:0pt;border-collapse:collapse;"><div style="width:20px;background-color:#ffffff;font-size:20pt;"> </div></td><td colspan="1" rowspan="5" style="width:1px;background-color:#e5e5e5;font-size:1pt;border-collapse:collapse;" width="1"></td></tr></tbody></table></div></div></div></div></div></div></blockquote></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div><br>_______________________________________________<br>Personal_Submersibles mailing list<br><a ymailto="mailto:Personal_Submersibles@psubs.org" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br><br><br></div> </div> </div> </div></body></html>